If you want to have sex without the shop knowing, an inexperienced prostitute is the way to go! Especially married women, some of whom are either weak with money or weak with emotion, so once you've targeted them and made them feel good, they're at the mercy of your (the customer's) dick! Well, appealing to their emotions and persistent cunnilingus are both part of foreplay, and a good woman like this won't hesitate to make that much effort! Because she wants to have sex.